Tyson Arbuthnot
David E. Aron
Gayle M. Athanacio
Stephen L. Bacon
Merri A. Baldwin
Robert J. Breakstone
Dennis J. Callahan
Thomas H. Carlson
Jeffery M. Chiow
Alecia E. Cotton
Joshua M. Deitz
Robert C. Goodman
Lucas T. Hanback
John G. Heller
Dennis C. Huie
Suhani Kamdar
Lauren B. Kramer
S. Amber Lee
Mark J. Linderman
James Robert Maxwell
Joseph C. McGowan
Patricia A. Meagher
Robert S. Metzger
Brian D. Miller
Alexis J. Morris
Nicholas T. Niiro
Roland Nikles
Neil H. O'Donnell
Robert M. Osier
Dean D. Paik
Sharon Ongerth Rossi
Aaron M. Scolari
Aaron P. Silberman
Renée D. Wasserman
Alan J. Wilhelmy
Virginia K. Young
Paul M. Zieff

Robert M. Osier
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Areas of Practice

Mr. Osier is co-chair of the firm's Construction Law Practice Group and a member of the Government Contracts Practice Group.

Professional Qualifications

Mr. Osier has represented owners, contractors and design professionals in a variety of disputes involving bid protests, delay, disruption and extra work claims, construction defects, and design professional malpractice on both public and private projects. Representative cases include: defending a Hotel developer in a multi-party action brought by the project’s general contractor and more than 40 subcontractors for extra work/delay damages; prosecuting claims for extra work, changed conditions, and delay damages on behalf of contractors for both public and private projects; and bringing and defending state bid protests relating to major utilities and service contracts. Mr. Osier also counsels clients on contract negotiations, business formations, professional responsibility determinations and business ethics and conflicts of interest issues.

Mr. Osier is a licensed architect. His experience in the construction industry includes more than ten years as a practicing architect, field experience as a superintendent for a general contracting firm, and regional counsel for an international general contracting firm. Mr. Osier is member of the California Association of General Contractors Legal Advisory Committee and the former Chair of the Construction Section of the San Francisco Bar Association’s Barrister’s Club. He has written and lectured on delay damages, recovery on changes/extra work claims and false claims act litigation.


J.D., The John Marshall Law School
Cum Laude and member of the Order of John Marshall

B.S., Arizona State University
Environmental Design
Cum Laude

Bar Admissions

Government Contracts

Recent Publications and Public Speaking

Construction Subcontracting: A Comprehensive Practical and Legal Guide, ABA Publishing, 2014 (co-authored) Chapter 17, “Public Projects (Federal, State, and Local)” ABA Webstore

"Construction Law Update: Recodification of the Mechanic's Lien Laws and Related Construction Remedies," RJO Newsletter (PDF) June 2012

New FAR Requirements for Mandatory Disclosure Take Effect (PDF)
Published in California Constructor, Vol. 39, No. 3, March 2009

Getting Paid When The Project Stalls Before Construction Begins
(PDF) Published in California Constructor, April 2005


Robert Dollar Building
311 California Street, 10th Floor
San Francisco, CA 94104
Phone: 415.956.2828
Fax: 415.956.6457
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